Home / 21,751,661.70-30,016,606.05-11,962,075.68

Finding the Fourth Proportional to 21,751,661.70, 30,016,606.05 and 11,962,075.68

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Solution

The fourth proportional to 21,751,661.70, 30,016,606.05 and 11,962,075.68 is: 16,507,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,661.70 : 30,016,606.05 = 11,962,075.68 : x
  2. Step 2: Convert to fraction form
    21,751,661.70/30,016,606.05 = 11,962,075.68/x
  3. Step 3: Cross multiply
    21,751,661.70x = 30,016,606.05 × 11,962,075.68
  4. Step 4: Simplify right side
    21,751,661.70x = 359,060,913,226,845.88
  5. Step 5: Solve for x
    x = 359,060,913,226,845.88/21,751,661.70
  6. Step 6: Final answer
    x = 16,507,286.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.